1.2.0 Complete rework:
* Introducing Selfie Stick mode (drone stays ahead of you wherever you turn!)
* Performance significantly improved, especially in bad light
* Audio recording (the phone's mic)
* Throw Takeoff & Handland
* Tap Takeoff (Tap camera 3x to initiate Throw Takeoff)
* Tracker can optionally wait for a lost target to re-appear
1.2.1
* Wireframe view option
* volume +/- buttons change distance
* distance calculation optimized
1.2.2
* Bugfixing screen refresh